APA (7th ed.) Citation

LAU, KAMARIAH Abu Bakar, & CHONG. (1991). KBSM sains tingkatan 4. Logman.

Chicago Style (17th ed.) Citation

LAU, KAMARIAH Abu Bakar, and CHONG. KBSM Sains Tingkatan 4. Petaling Jaya: Logman, 1991.

MLA (8th ed.) Citation

LAU, et al. KBSM Sains Tingkatan 4. Logman, 1991.